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<p class="purpose">Some conveniences shared by our different forms of index.</p>

<ul class="toc"><li><a href="7-iu.html#SP4">&#167;4. Alphabetisation</a></li></ul><hr class="tocbar">

<p class="commentary firstcommentary"><a id="SP1" class="paragraph-anchor"></a><b>&#167;1.  </b>A temporary measure.
</p>

<pre class="definitions code-font"><span class="definition-keyword">define</span> <span class="constant-syntax">LETTER_ALPHABETIZATION</span><span class="plain-syntax"> </span><span class="constant-syntax">1</span>
<span class="definition-keyword">define</span> <span class="constant-syntax">WORD_ALPHABETIZATION</span><span class="plain-syntax"> </span><span class="constant-syntax">2</span>
<span class="definition-keyword">define</span> <span class="constant-syntax">WRAPPER_none</span><span class="plain-syntax"> </span><span class="constant-syntax">1</span>
<span class="definition-keyword">define</span> <span class="constant-syntax">WRAPPER_epub</span><span class="plain-syntax"> </span><span class="constant-syntax">2</span>
<span class="definition-keyword">define</span> <span class="constant-syntax">WRAPPER_zip</span><span class="plain-syntax"> </span><span class="constant-syntax">3</span>
</pre>
<pre class="displayed-code all-displayed-code code-font">
<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">indoc_settings_test_index_mode</span><span class="plain-syntax"> = </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">;</span>
<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">indoc_settings_index_alphabetisation_algorithm</span><span class="plain-syntax"> = </span><span class="constant-syntax">LETTER_ALPHABETIZATION</span><span class="plain-syntax">;</span>
<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">indoc_settings_navigation_simplified_letter_rows</span><span class="plain-syntax"> = </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">;</span>
<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">indoc_settings_wrapper</span><span class="plain-syntax"> = </span><span class="constant-syntax">WRAPPER_none</span><span class="plain-syntax">;</span>
</pre>
<p class="commentary firstcommentary"><a id="SP2" class="paragraph-anchor"></a><b>&#167;2.  </b></p>

<pre class="displayed-code all-displayed-code code-font">
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">IndexUtilities::general_link</span><button class="popup" onclick="togglePopup('usagePopup1')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup1">Usage of <span class="code-font"><span class="function-syntax">IndexUtilities::general_link</span></span>:<br/><a href="7-iu.html#SP5">&#167;5</a><br/>In-App Manuals - <a href="7-im.html#SP5">&#167;5</a>, <a href="7-im.html#SP6">&#167;6</a><br/>Contents and Indexes - <a href="7-gi.html#SP8_2_3_4">&#167;8.2.3.4</a>, <a href="7-gi.html#SP8_2_3_5">&#167;8.2.3.5</a><br/>Examples Index - <a href="7-ei.html#SP3_5">&#167;3.5</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">OUTPUT_STREAM</span><span class="plain-syntax">, </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">cl</span><span class="plain-syntax">, </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">to</span><span class="plain-syntax">, </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">text</span><span class="plain-syntax">) {</span>
<span class="plain-syntax">    </span><span class="identifier-syntax">HTML::begin_link_with_class</span><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">cl</span><span class="plain-syntax">, </span><span class="identifier-syntax">to</span><span class="plain-syntax">);</span>
<span class="plain-syntax">    </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"%S"</span><span class="plain-syntax">, </span><span class="identifier-syntax">text</span><span class="plain-syntax">);</span>
<span class="plain-syntax">    </span><span class="identifier-syntax">HTML::end_link</span><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">);</span>
<span class="plain-syntax">}</span>
</pre>
<p class="commentary firstcommentary"><a id="SP3" class="paragraph-anchor"></a><b>&#167;3.  </b></p>

<pre class="displayed-code all-displayed-code code-font">
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">IndexUtilities::escape_HTML_characters_in</span><button class="popup" onclick="togglePopup('usagePopup2')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup2">Usage of <span class="code-font"><span class="function-syntax">IndexUtilities::escape_HTML_characters_in</span></span>:<br/>Contents and Indexes - <a href="7-gi.html#SP8_2_3_1">&#167;8.2.3.1</a><br/>Examples Index - <a href="7-ei.html#SP3_5">&#167;3.5</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">text</span><span class="plain-syntax">) {</span>
<span class="plain-syntax">    </span><span class="identifier-syntax">TEMPORARY_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">modified</span><span class="plain-syntax">)</span>
<span class="plain-syntax">    </span><span class="reserved-syntax">for</span><span class="plain-syntax"> (</span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">i</span><span class="plain-syntax">=0, </span><span class="identifier-syntax">L</span><span class="plain-syntax">=</span><span class="identifier-syntax">Str::len</span><span class="plain-syntax">(</span><span class="identifier-syntax">text</span><span class="plain-syntax">); </span><span class="identifier-syntax">i</span><span class="plain-syntax">&lt;</span><span class="identifier-syntax">L</span><span class="plain-syntax">; </span><span class="identifier-syntax">i</span><span class="plain-syntax">++) {</span>
<span class="plain-syntax">        </span><span class="identifier-syntax">inchar32_t</span><span class="plain-syntax"> </span><span class="identifier-syntax">c</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Str::get_at</span><span class="plain-syntax">(</span><span class="identifier-syntax">text</span><span class="plain-syntax">, </span><span class="identifier-syntax">i</span><span class="plain-syntax">);</span>
<span class="plain-syntax">        </span><span class="reserved-syntax">switch</span><span class="plain-syntax"> (</span><span class="identifier-syntax">c</span><span class="plain-syntax">) {</span>
<span class="plain-syntax">            </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="character-syntax">'\"'</span><span class="plain-syntax">:      </span><span class="identifier-syntax">WRITE_TO</span><span class="plain-syntax">(</span><span class="identifier-syntax">modified</span><span class="plain-syntax">, </span><span class="string-syntax">"&amp;quot;"</span><span class="plain-syntax">); </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax">            </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="character-syntax">'&lt;'</span><span class="plain-syntax">:       </span><span class="identifier-syntax">WRITE_TO</span><span class="plain-syntax">(</span><span class="identifier-syntax">modified</span><span class="plain-syntax">, </span><span class="string-syntax">"&amp;lt;"</span><span class="plain-syntax">); </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax">            </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="character-syntax">'&gt;'</span><span class="plain-syntax">:       </span><span class="identifier-syntax">WRITE_TO</span><span class="plain-syntax">(</span><span class="identifier-syntax">modified</span><span class="plain-syntax">, </span><span class="string-syntax">"&amp;gt;"</span><span class="plain-syntax">); </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax">            </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="character-syntax">'&amp;'</span><span class="plain-syntax">:</span>
<span class="plain-syntax">                </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Str::get_at</span><span class="plain-syntax">(</span><span class="identifier-syntax">text</span><span class="plain-syntax">, </span><span class="identifier-syntax">i</span><span class="plain-syntax">+1) == </span><span class="character-syntax">'#'</span><span class="plain-syntax">) { </span><span class="identifier-syntax">PUT_TO</span><span class="plain-syntax">(</span><span class="identifier-syntax">modified</span><span class="plain-syntax">, </span><span class="identifier-syntax">c</span><span class="plain-syntax">); </span><span class="reserved-syntax">break</span><span class="plain-syntax">; }</span>
<span class="plain-syntax">                </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">j</span><span class="plain-syntax"> = </span><span class="identifier-syntax">i</span><span class="plain-syntax">+1;</span>
<span class="plain-syntax">                </span><span class="reserved-syntax">while</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Characters::isalnum</span><span class="plain-syntax">(</span><span class="identifier-syntax">Str::get_at</span><span class="plain-syntax">(</span><span class="identifier-syntax">text</span><span class="plain-syntax">, </span><span class="identifier-syntax">j</span><span class="plain-syntax">))) </span><span class="identifier-syntax">j</span><span class="plain-syntax">++;</span>
<span class="plain-syntax">                </span><span class="reserved-syntax">if</span><span class="plain-syntax"> ((</span><span class="identifier-syntax">j</span><span class="plain-syntax"> &gt; </span><span class="identifier-syntax">i</span><span class="plain-syntax">+1) &amp;&amp; (</span><span class="identifier-syntax">Str::get_at</span><span class="plain-syntax">(</span><span class="identifier-syntax">text</span><span class="plain-syntax">, </span><span class="identifier-syntax">j</span><span class="plain-syntax">) == </span><span class="character-syntax">';'</span><span class="plain-syntax">)) { </span><span class="identifier-syntax">PUT_TO</span><span class="plain-syntax">(</span><span class="identifier-syntax">modified</span><span class="plain-syntax">, </span><span class="identifier-syntax">c</span><span class="plain-syntax">); </span><span class="reserved-syntax">break</span><span class="plain-syntax">; }</span>
<span class="plain-syntax">                </span><span class="identifier-syntax">WRITE_TO</span><span class="plain-syntax">(</span><span class="identifier-syntax">modified</span><span class="plain-syntax">, </span><span class="string-syntax">"&amp;amp;"</span><span class="plain-syntax">);</span>
<span class="plain-syntax">                </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax">            </span><span class="identifier-syntax">default:</span><span class="plain-syntax">        </span><span class="identifier-syntax">PUT_TO</span><span class="plain-syntax">(</span><span class="identifier-syntax">modified</span><span class="plain-syntax">, </span><span class="identifier-syntax">c</span><span class="plain-syntax">); </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax">        }</span>
<span class="plain-syntax">    }</span>
<span class="plain-syntax">    </span><span class="identifier-syntax">Str::copy</span><span class="plain-syntax">(</span><span class="identifier-syntax">text</span><span class="plain-syntax">, </span><span class="identifier-syntax">modified</span><span class="plain-syntax">);</span>
<span class="plain-syntax">    </span><span class="identifier-syntax">DISCARD_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">modified</span><span class="plain-syntax">)</span>
<span class="plain-syntax">}</span>
</pre>
<p class="commentary firstcommentary"><a id="SP4" class="paragraph-anchor"></a><b>&#167;4. Alphabetisation. </b>We flatten the casing and remove the singular articles; we count small
numbers as words, so that "3 Wise Monkeys" is filed as if it were "Three
Wise Monkeys"; with parts of multipart examples, such as "Disappointment
Bay 3", we insert a 0 before the 3 so that up to 99 parts can appear and
alphabetical sorting will agree with numerical.
</p>

<pre class="displayed-code all-displayed-code code-font">
<span class="identifier-syntax">dictionary</span><span class="plain-syntax"> *</span><span class="identifier-syntax">alphabetisation_exceptions</span><span class="plain-syntax"> = </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">; </span><span class="comment-syntax"> hash of lemmas with unusual alphabetisations</span>

<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">IndexUtilities::alphabetisation_exception</span><button class="popup" onclick="togglePopup('usagePopup3')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup3">Usage of <span class="code-font"><span class="function-syntax">IndexUtilities::alphabetisation_exception</span></span>:<br/>Contents and Indexes - <a href="7-gi.html#SP5">&#167;5</a>, <a href="7-gi.html#SP7">&#167;7</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">term</span><span class="plain-syntax">, </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">alphabetise_as</span><span class="plain-syntax">) {</span>
<span class="plain-syntax">    </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">alphabetisation_exceptions</span><span class="plain-syntax"> == </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">)</span>
<span class="plain-syntax">        </span><span class="identifier-syntax">alphabetisation_exceptions</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Dictionaries::new</span><span class="plain-syntax">(100, </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">);</span>
<span class="plain-syntax">    </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">val</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Dictionaries::create_text</span><span class="plain-syntax">(</span><span class="identifier-syntax">alphabetisation_exceptions</span><span class="plain-syntax">, </span><span class="identifier-syntax">term</span><span class="plain-syntax">);</span>
<span class="plain-syntax">    </span><span class="identifier-syntax">Str::copy</span><span class="plain-syntax">(</span><span class="identifier-syntax">val</span><span class="plain-syntax">, </span><span class="identifier-syntax">alphabetise_as</span><span class="plain-syntax">);</span>
<span class="plain-syntax">}</span>

<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">IndexUtilities::improve_alphabetisation</span><button class="popup" onclick="togglePopup('usagePopup4')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup4">Usage of <span class="code-font"><span class="function-syntax">IndexUtilities::improve_alphabetisation</span></span>:<br/>Contents and Indexes - <a href="7-gi.html#SP8_1">&#167;8.1</a><br/>Examples Index - <a href="7-ei.html#SP2">&#167;2</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">sort_key</span><span class="plain-syntax">) {</span>
<span class="plain-syntax">    </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">alph</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Dictionaries::get_text</span><span class="plain-syntax">(</span><span class="identifier-syntax">alphabetisation_exceptions</span><span class="plain-syntax">, </span><span class="identifier-syntax">sort_key</span><span class="plain-syntax">);</span>
<span class="plain-syntax">    </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Str::len</span><span class="plain-syntax">(</span><span class="identifier-syntax">alph</span><span class="plain-syntax">) &gt; </span><span class="constant-syntax">0</span><span class="plain-syntax">) {</span>
<span class="plain-syntax">        </span><span class="identifier-syntax">Str::copy</span><span class="plain-syntax">(</span><span class="identifier-syntax">sort_key</span><span class="plain-syntax">, </span><span class="identifier-syntax">alph</span><span class="plain-syntax">);</span>
<span class="plain-syntax">        </span><span class="identifier-syntax">LOOP_THROUGH_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">pos</span><span class="plain-syntax">, </span><span class="identifier-syntax">sort_key</span><span class="plain-syntax">)</span>
<span class="plain-syntax">            </span><span class="identifier-syntax">Str::put</span><span class="plain-syntax">(</span><span class="identifier-syntax">pos</span><span class="plain-syntax">, </span><span class="identifier-syntax">Characters::tolower</span><span class="plain-syntax">(</span><span class="identifier-syntax">Str::get</span><span class="plain-syntax">(</span><span class="identifier-syntax">pos</span><span class="plain-syntax">)));</span>
<span class="plain-syntax">    } </span><span class="reserved-syntax">else</span><span class="plain-syntax"> {</span>
<span class="plain-syntax">        </span><span class="identifier-syntax">LOOP_THROUGH_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">pos</span><span class="plain-syntax">, </span><span class="identifier-syntax">sort_key</span><span class="plain-syntax">)</span>
<span class="plain-syntax">            </span><span class="identifier-syntax">Str::put</span><span class="plain-syntax">(</span><span class="identifier-syntax">pos</span><span class="plain-syntax">, </span><span class="identifier-syntax">Characters::tolower</span><span class="plain-syntax">(</span><span class="identifier-syntax">Str::get</span><span class="plain-syntax">(</span><span class="identifier-syntax">pos</span><span class="plain-syntax">)));</span>
<span class="plain-syntax">        </span><span class="identifier-syntax">Regexp::replace</span><span class="plain-syntax">(</span><span class="identifier-syntax">sort_key</span><span class="plain-syntax">, </span><span class="identifier-syntax">U</span><span class="string-syntax">"a "</span><span class="plain-syntax">, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">, </span><span class="identifier-syntax">REP_ATSTART</span><span class="plain-syntax">);</span>
<span class="plain-syntax">        </span><span class="identifier-syntax">Regexp::replace</span><span class="plain-syntax">(</span><span class="identifier-syntax">sort_key</span><span class="plain-syntax">, </span><span class="identifier-syntax">U</span><span class="string-syntax">"an "</span><span class="plain-syntax">, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">, </span><span class="identifier-syntax">REP_ATSTART</span><span class="plain-syntax">);</span>
<span class="plain-syntax">        </span><span class="identifier-syntax">Regexp::replace</span><span class="plain-syntax">(</span><span class="identifier-syntax">sort_key</span><span class="plain-syntax">, </span><span class="identifier-syntax">U</span><span class="string-syntax">"the "</span><span class="plain-syntax">, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">, </span><span class="identifier-syntax">REP_ATSTART</span><span class="plain-syntax">);</span>
<span class="plain-syntax">        </span><span class="identifier-syntax">LOOP_THROUGH_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">pos</span><span class="plain-syntax">, </span><span class="identifier-syntax">sort_key</span><span class="plain-syntax">)</span>
<span class="plain-syntax">            </span><span class="identifier-syntax">Str::put</span><span class="plain-syntax">(</span><span class="identifier-syntax">pos</span><span class="plain-syntax">, </span><span class="identifier-syntax">Characters::tolower</span><span class="plain-syntax">(</span><span class="identifier-syntax">Characters::remove_accent</span><span class="plain-syntax">(</span><span class="identifier-syntax">Str::get</span><span class="plain-syntax">(</span><span class="identifier-syntax">pos</span><span class="plain-syntax">))));</span>
<span class="plain-syntax">        </span><span class="identifier-syntax">Regexp::replace</span><span class="plain-syntax">(</span><span class="identifier-syntax">sort_key</span><span class="plain-syntax">, </span><span class="identifier-syntax">U</span><span class="string-syntax">"%[ *%]"</span><span class="plain-syntax">, </span><span class="identifier-syntax">U</span><span class="string-syntax">"____SQUARES____"</span><span class="plain-syntax">, </span><span class="identifier-syntax">REP_REPEATING</span><span class="plain-syntax">);</span>
<span class="plain-syntax">        </span><span class="identifier-syntax">Regexp::replace</span><span class="plain-syntax">(</span><span class="identifier-syntax">sort_key</span><span class="plain-syntax">, </span><span class="identifier-syntax">U</span><span class="string-syntax">"%["</span><span class="plain-syntax">, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">, </span><span class="identifier-syntax">REP_REPEATING</span><span class="plain-syntax">);</span>
<span class="plain-syntax">        </span><span class="identifier-syntax">Regexp::replace</span><span class="plain-syntax">(</span><span class="identifier-syntax">sort_key</span><span class="plain-syntax">, </span><span class="identifier-syntax">U</span><span class="string-syntax">"%]"</span><span class="plain-syntax">, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">, </span><span class="identifier-syntax">REP_REPEATING</span><span class="plain-syntax">);</span>
<span class="plain-syntax">        </span><span class="identifier-syntax">Regexp::replace</span><span class="plain-syntax">(</span><span class="identifier-syntax">sort_key</span><span class="plain-syntax">, </span><span class="identifier-syntax">U</span><span class="string-syntax">"____SQUARES____"</span><span class="plain-syntax">, </span><span class="identifier-syntax">U</span><span class="string-syntax">"[]"</span><span class="plain-syntax">, </span><span class="identifier-syntax">REP_REPEATING</span><span class="plain-syntax">);</span>
<span class="plain-syntax">        </span><span class="identifier-syntax">Regexp::replace</span><span class="plain-syntax">(</span><span class="identifier-syntax">sort_key</span><span class="plain-syntax">, </span><span class="identifier-syntax">U</span><span class="string-syntax">"%("</span><span class="plain-syntax">, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">, </span><span class="identifier-syntax">REP_REPEATING</span><span class="plain-syntax">);</span>
<span class="plain-syntax">        </span><span class="identifier-syntax">Regexp::replace</span><span class="plain-syntax">(</span><span class="identifier-syntax">sort_key</span><span class="plain-syntax">, </span><span class="identifier-syntax">U</span><span class="string-syntax">"%)"</span><span class="plain-syntax">, </span><span class="identifier-syntax">NULL</span><span class="plain-syntax">, </span><span class="identifier-syntax">REP_REPEATING</span><span class="plain-syntax">);</span>
<span class="plain-syntax">        </span><span class="identifier-syntax">Regexp::replace</span><span class="plain-syntax">(</span><span class="identifier-syntax">sort_key</span><span class="plain-syntax">, </span><span class="identifier-syntax">U</span><span class="string-syntax">"1 "</span><span class="plain-syntax">, </span><span class="identifier-syntax">U</span><span class="string-syntax">"one "</span><span class="plain-syntax">, </span><span class="identifier-syntax">REP_ATSTART</span><span class="plain-syntax">);</span>
<span class="plain-syntax">        </span><span class="identifier-syntax">Regexp::replace</span><span class="plain-syntax">(</span><span class="identifier-syntax">sort_key</span><span class="plain-syntax">, </span><span class="identifier-syntax">U</span><span class="string-syntax">"2 "</span><span class="plain-syntax">, </span><span class="identifier-syntax">U</span><span class="string-syntax">"two "</span><span class="plain-syntax">, </span><span class="identifier-syntax">REP_ATSTART</span><span class="plain-syntax">);</span>
<span class="plain-syntax">        </span><span class="identifier-syntax">Regexp::replace</span><span class="plain-syntax">(</span><span class="identifier-syntax">sort_key</span><span class="plain-syntax">, </span><span class="identifier-syntax">U</span><span class="string-syntax">"3 "</span><span class="plain-syntax">, </span><span class="identifier-syntax">U</span><span class="string-syntax">"three "</span><span class="plain-syntax">, </span><span class="identifier-syntax">REP_ATSTART</span><span class="plain-syntax">);</span>
<span class="plain-syntax">        </span><span class="identifier-syntax">Regexp::replace</span><span class="plain-syntax">(</span><span class="identifier-syntax">sort_key</span><span class="plain-syntax">, </span><span class="identifier-syntax">U</span><span class="string-syntax">"4 "</span><span class="plain-syntax">, </span><span class="identifier-syntax">U</span><span class="string-syntax">"four "</span><span class="plain-syntax">, </span><span class="identifier-syntax">REP_ATSTART</span><span class="plain-syntax">);</span>
<span class="plain-syntax">        </span><span class="identifier-syntax">Regexp::replace</span><span class="plain-syntax">(</span><span class="identifier-syntax">sort_key</span><span class="plain-syntax">, </span><span class="identifier-syntax">U</span><span class="string-syntax">"5 "</span><span class="plain-syntax">, </span><span class="identifier-syntax">U</span><span class="string-syntax">"five "</span><span class="plain-syntax">, </span><span class="identifier-syntax">REP_ATSTART</span><span class="plain-syntax">);</span>
<span class="plain-syntax">        </span><span class="identifier-syntax">Regexp::replace</span><span class="plain-syntax">(</span><span class="identifier-syntax">sort_key</span><span class="plain-syntax">, </span><span class="identifier-syntax">U</span><span class="string-syntax">"6 "</span><span class="plain-syntax">, </span><span class="identifier-syntax">U</span><span class="string-syntax">"six "</span><span class="plain-syntax">, </span><span class="identifier-syntax">REP_ATSTART</span><span class="plain-syntax">);</span>
<span class="plain-syntax">        </span><span class="identifier-syntax">Regexp::replace</span><span class="plain-syntax">(</span><span class="identifier-syntax">sort_key</span><span class="plain-syntax">, </span><span class="identifier-syntax">U</span><span class="string-syntax">"7 "</span><span class="plain-syntax">, </span><span class="identifier-syntax">U</span><span class="string-syntax">"seven "</span><span class="plain-syntax">, </span><span class="identifier-syntax">REP_ATSTART</span><span class="plain-syntax">);</span>
<span class="plain-syntax">        </span><span class="identifier-syntax">Regexp::replace</span><span class="plain-syntax">(</span><span class="identifier-syntax">sort_key</span><span class="plain-syntax">, </span><span class="identifier-syntax">U</span><span class="string-syntax">"8 "</span><span class="plain-syntax">, </span><span class="identifier-syntax">U</span><span class="string-syntax">"eight "</span><span class="plain-syntax">, </span><span class="identifier-syntax">REP_ATSTART</span><span class="plain-syntax">);</span>
<span class="plain-syntax">        </span><span class="identifier-syntax">Regexp::replace</span><span class="plain-syntax">(</span><span class="identifier-syntax">sort_key</span><span class="plain-syntax">, </span><span class="identifier-syntax">U</span><span class="string-syntax">"9 "</span><span class="plain-syntax">, </span><span class="identifier-syntax">U</span><span class="string-syntax">"nine "</span><span class="plain-syntax">, </span><span class="identifier-syntax">REP_ATSTART</span><span class="plain-syntax">);</span>
<span class="plain-syntax">        </span><span class="identifier-syntax">Regexp::replace</span><span class="plain-syntax">(</span><span class="identifier-syntax">sort_key</span><span class="plain-syntax">, </span><span class="identifier-syntax">U</span><span class="string-syntax">"10 "</span><span class="plain-syntax">, </span><span class="identifier-syntax">U</span><span class="string-syntax">"ten "</span><span class="plain-syntax">, </span><span class="identifier-syntax">REP_ATSTART</span><span class="plain-syntax">);</span>
<span class="plain-syntax">        </span><span class="identifier-syntax">Regexp::replace</span><span class="plain-syntax">(</span><span class="identifier-syntax">sort_key</span><span class="plain-syntax">, </span><span class="identifier-syntax">U</span><span class="string-syntax">"11 "</span><span class="plain-syntax">, </span><span class="identifier-syntax">U</span><span class="string-syntax">"eleven "</span><span class="plain-syntax">, </span><span class="identifier-syntax">REP_ATSTART</span><span class="plain-syntax">);</span>
<span class="plain-syntax">        </span><span class="identifier-syntax">Regexp::replace</span><span class="plain-syntax">(</span><span class="identifier-syntax">sort_key</span><span class="plain-syntax">, </span><span class="identifier-syntax">U</span><span class="string-syntax">"12 "</span><span class="plain-syntax">, </span><span class="identifier-syntax">U</span><span class="string-syntax">"twelve "</span><span class="plain-syntax">, </span><span class="identifier-syntax">REP_ATSTART</span><span class="plain-syntax">);</span>
<span class="plain-syntax">        </span><span class="identifier-syntax">TEMPORARY_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">x</span><span class="plain-syntax">)</span>
<span class="plain-syntax">        </span><span class="identifier-syntax">Str::copy</span><span class="plain-syntax">(</span><span class="identifier-syntax">x</span><span class="plain-syntax">, </span><span class="identifier-syntax">sort_key</span><span class="plain-syntax">);</span>
<span class="plain-syntax">        </span><span class="identifier-syntax">Str::clear</span><span class="plain-syntax">(</span><span class="identifier-syntax">sort_key</span><span class="plain-syntax">);</span>
<span class="plain-syntax">        </span><span class="identifier-syntax">match_results</span><span class="plain-syntax"> </span><span class="identifier-syntax">mr</span><span class="plain-syntax"> = </span><span class="identifier-syntax">Regexp::create_mr</span><span class="plain-syntax">();</span>
<span class="plain-syntax">        </span><span class="reserved-syntax">while</span><span class="plain-syntax"> (</span><span class="identifier-syntax">Regexp::match</span><span class="plain-syntax">(&amp;</span><span class="identifier-syntax">mr</span><span class="plain-syntax">, </span><span class="identifier-syntax">x</span><span class="plain-syntax">, </span><span class="identifier-syntax">U</span><span class="string-syntax">"(%c*?)(%d+)(%c*)"</span><span class="plain-syntax">)) {</span>
<span class="plain-syntax">            </span><span class="identifier-syntax">WRITE_TO</span><span class="plain-syntax">(</span><span class="identifier-syntax">sort_key</span><span class="plain-syntax">, </span><span class="string-syntax">"%S"</span><span class="plain-syntax">, </span><span class="identifier-syntax">mr</span><span class="plain-syntax">.</span><span class="identifier-syntax">exp</span><span class="plain-syntax">[0]);</span>
<span class="plain-syntax">            </span><span class="identifier-syntax">Str::copy</span><span class="plain-syntax">(</span><span class="identifier-syntax">x</span><span class="plain-syntax">, </span><span class="identifier-syntax">mr</span><span class="plain-syntax">.</span><span class="identifier-syntax">exp</span><span class="plain-syntax">[2]);</span>
<span class="plain-syntax">            </span><span class="identifier-syntax">WRITE_TO</span><span class="plain-syntax">(</span><span class="identifier-syntax">sort_key</span><span class="plain-syntax">, </span><span class="string-syntax">"%08d"</span><span class="plain-syntax">, </span><span class="identifier-syntax">Str::atoi</span><span class="plain-syntax">(</span><span class="identifier-syntax">mr</span><span class="plain-syntax">.</span><span class="identifier-syntax">exp</span><span class="plain-syntax">[1], </span><span class="constant-syntax">0</span><span class="plain-syntax">));</span>
<span class="plain-syntax">        }</span>
<span class="plain-syntax">        </span><span class="identifier-syntax">WRITE_TO</span><span class="plain-syntax">(</span><span class="identifier-syntax">sort_key</span><span class="plain-syntax">, </span><span class="string-syntax">"%S"</span><span class="plain-syntax">, </span><span class="identifier-syntax">x</span><span class="plain-syntax">);</span>
<span class="plain-syntax">        </span><span class="identifier-syntax">DISCARD_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">x</span><span class="plain-syntax">)</span>
<span class="plain-syntax">    }</span>
<span class="plain-syntax">}</span>
</pre>
<p class="commentary firstcommentary"><a id="SP5" class="paragraph-anchor"></a><b>&#167;5.  </b></p>

<pre class="displayed-code all-displayed-code code-font">
<span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">letters_taken</span><span class="plain-syntax">[26];</span>
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">IndexUtilities::note_letter</span><button class="popup" onclick="togglePopup('usagePopup5')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup5">Usage of <span class="code-font"><span class="function-syntax">IndexUtilities::note_letter</span></span>:<br/>Contents and Indexes - <a href="7-gi.html#SP8_2">&#167;8.2</a><br/>Examples Index - <a href="7-ei.html#SP3_3">&#167;3.3</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">inchar32_t</span><span class="plain-syntax"> </span><span class="identifier-syntax">c</span><span class="plain-syntax">) {</span>
<span class="plain-syntax">    </span><span class="identifier-syntax">inchar32_t</span><span class="plain-syntax"> </span><span class="identifier-syntax">i</span><span class="plain-syntax"> = </span><span class="identifier-syntax">c</span><span class="plain-syntax"> - (</span><span class="identifier-syntax">inchar32_t</span><span class="plain-syntax">) </span><span class="character-syntax">'A'</span><span class="plain-syntax">;</span>
<span class="plain-syntax">    </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">i</span><span class="plain-syntax">&lt;26) </span><span class="identifier-syntax">letters_taken</span><span class="plain-syntax">[</span><span class="identifier-syntax">i</span><span class="plain-syntax">] = </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">;</span>
<span class="plain-syntax">}</span>
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">IndexUtilities::alphabet_row</span><button class="popup" onclick="togglePopup('usagePopup6')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup6">Usage of <span class="code-font"><span class="function-syntax">IndexUtilities::alphabet_row</span></span>:<br/>Contents and Indexes - <a href="7-gi.html#SP8_2">&#167;8.2</a><br/>Examples Index - <a href="7-ei.html#SP3">&#167;3</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">OUTPUT_STREAM</span><span class="plain-syntax">, </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">sequence</span><span class="plain-syntax">) {</span>
<span class="plain-syntax">    </span><span class="reserved-syntax">switch</span><span class="plain-syntax"> (</span><span class="identifier-syntax">sequence</span><span class="plain-syntax">) {</span>
<span class="plain-syntax">        </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="constant-syntax">1</span><span class="plain-syntax">:</span>
<span class="plain-syntax">            </span><span class="reserved-syntax">for</span><span class="plain-syntax"> (</span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">i</span><span class="plain-syntax">=0; </span><span class="identifier-syntax">i</span><span class="plain-syntax">&lt;26; </span><span class="identifier-syntax">i</span><span class="plain-syntax">++)</span>
<span class="plain-syntax">                </span><span class="identifier-syntax">letters_taken</span><span class="plain-syntax">[</span><span class="identifier-syntax">i</span><span class="plain-syntax">] = </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">;</span>
<span class="plain-syntax">            </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax">        </span><span class="reserved-syntax">case</span><span class="plain-syntax"> </span><span class="constant-syntax">2</span><span class="plain-syntax">: {</span>
<span class="plain-syntax">            </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">faked</span><span class="plain-syntax"> = </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">;</span>
<span class="plain-syntax">            </span><span class="reserved-syntax">for</span><span class="plain-syntax"> (</span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">i</span><span class="plain-syntax">=0; </span><span class="identifier-syntax">i</span><span class="plain-syntax">&lt;26; </span><span class="identifier-syntax">i</span><span class="plain-syntax">++)</span>
<span class="plain-syntax">                </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">letters_taken</span><span class="plain-syntax">[</span><span class="identifier-syntax">i</span><span class="plain-syntax">] == </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">) {</span>
<span class="plain-syntax">                    </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">faked</span><span class="plain-syntax"> == </span><span class="identifier-syntax">FALSE</span><span class="plain-syntax">) { </span><span class="identifier-syntax">faked</span><span class="plain-syntax"> = </span><span class="identifier-syntax">TRUE</span><span class="plain-syntax">; </span><span class="identifier-syntax">HTML_OPEN</span><span class="plain-syntax">(</span><span class="string-syntax">"p"</span><span class="plain-syntax">); }</span>
<span class="plain-syntax">                    </span><span class="identifier-syntax">TEMPORARY_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">singleton</span><span class="plain-syntax">)</span>
<span class="plain-syntax">                    </span><span class="identifier-syntax">PUT_TO</span><span class="plain-syntax">(</span><span class="identifier-syntax">singleton</span><span class="plain-syntax">, (</span><span class="identifier-syntax">inchar32_t</span><span class="plain-syntax">) (</span><span class="character-syntax">'A'</span><span class="plain-syntax">+</span><span class="identifier-syntax">i</span><span class="plain-syntax">));</span>
<span class="plain-syntax">                    </span><span class="identifier-syntax">HTML::anchor</span><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">singleton</span><span class="plain-syntax">);</span>
<span class="plain-syntax">                    </span><span class="identifier-syntax">DISCARD_TEXT</span><span class="plain-syntax">(</span><span class="identifier-syntax">singleton</span><span class="plain-syntax">)</span>
<span class="plain-syntax">                }</span>
<span class="plain-syntax">            </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">faked</span><span class="plain-syntax">) { </span><span class="identifier-syntax">HTML_CLOSE</span><span class="plain-syntax">(</span><span class="string-syntax">"p"</span><span class="plain-syntax">); }</span>
<span class="plain-syntax">            </span><span class="reserved-syntax">break</span><span class="plain-syntax">;</span>
<span class="plain-syntax">        }</span>
<span class="plain-syntax">    }</span>
<span class="plain-syntax">    </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">indoc_settings_navigation_simplified_letter_rows</span><span class="plain-syntax">) {</span>
<span class="plain-syntax">        </span><span class="identifier-syntax">HTML_OPEN</span><span class="plain-syntax">(</span><span class="string-syntax">"p"</span><span class="plain-syntax">);</span>
<span class="plain-syntax">    } </span><span class="reserved-syntax">else</span><span class="plain-syntax"> {</span>
<span class="plain-syntax">        </span><span class="identifier-syntax">HTML_OPEN_WITH</span><span class="plain-syntax">(</span><span class="string-syntax">"table"</span><span class="plain-syntax">, </span><span class="string-syntax">"class=\"fullwidth\""</span><span class="plain-syntax">);</span>
<span class="plain-syntax">        </span><span class="identifier-syntax">HTML_OPEN</span><span class="plain-syntax">(</span><span class="string-syntax">"tr"</span><span class="plain-syntax">);</span>
<span class="plain-syntax">        </span><span class="identifier-syntax">HTML_OPEN_WITH</span><span class="plain-syntax">(</span><span class="string-syntax">"td"</span><span class="plain-syntax">, </span><span class="string-syntax">"class=\"letterinrow\""</span><span class="plain-syntax">);</span>
<span class="plain-syntax">    }</span>
<span class="plain-syntax">    </span><a href="7-iu.html#SP2" class="function-link"><span class="function-syntax">IndexUtilities::general_link</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"letterlink"</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"#A"</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"A"</span><span class="plain-syntax">); </span><span class="named-paragraph-container code-font"><a href="7-iu.html#SP5_1" class="named-paragraph-link"><span class="named-paragraph">Between</span><span class="named-paragraph-number">5.1</span></a></span><span class="plain-syntax">;</span>
<span class="plain-syntax">    </span><a href="7-iu.html#SP2" class="function-link"><span class="function-syntax">IndexUtilities::general_link</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"letterlink"</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"#B"</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"B"</span><span class="plain-syntax">); </span><span class="named-paragraph-container code-font"><a href="7-iu.html#SP5_1" class="named-paragraph-link"><span class="named-paragraph">Between</span><span class="named-paragraph-number">5.1</span></a></span><span class="plain-syntax">;</span>
<span class="plain-syntax">    </span><a href="7-iu.html#SP2" class="function-link"><span class="function-syntax">IndexUtilities::general_link</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"letterlink"</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"#C"</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"C"</span><span class="plain-syntax">); </span><span class="named-paragraph-container code-font"><a href="7-iu.html#SP5_1" class="named-paragraph-link"><span class="named-paragraph">Between</span><span class="named-paragraph-number">5.1</span></a></span><span class="plain-syntax">;</span>
<span class="plain-syntax">    </span><a href="7-iu.html#SP2" class="function-link"><span class="function-syntax">IndexUtilities::general_link</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"letterlink"</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"#D"</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"D"</span><span class="plain-syntax">); </span><span class="named-paragraph-container code-font"><a href="7-iu.html#SP5_1" class="named-paragraph-link"><span class="named-paragraph">Between</span><span class="named-paragraph-number">5.1</span></a></span><span class="plain-syntax">;</span>
<span class="plain-syntax">    </span><a href="7-iu.html#SP2" class="function-link"><span class="function-syntax">IndexUtilities::general_link</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"letterlink"</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"#E"</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"E"</span><span class="plain-syntax">); </span><span class="named-paragraph-container code-font"><a href="7-iu.html#SP5_1" class="named-paragraph-link"><span class="named-paragraph">Between</span><span class="named-paragraph-number">5.1</span></a></span><span class="plain-syntax">;</span>
<span class="plain-syntax">    </span><a href="7-iu.html#SP2" class="function-link"><span class="function-syntax">IndexUtilities::general_link</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"letterlink"</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"#F"</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"F"</span><span class="plain-syntax">); </span><span class="named-paragraph-container code-font"><a href="7-iu.html#SP5_1" class="named-paragraph-link"><span class="named-paragraph">Between</span><span class="named-paragraph-number">5.1</span></a></span><span class="plain-syntax">;</span>
<span class="plain-syntax">    </span><a href="7-iu.html#SP2" class="function-link"><span class="function-syntax">IndexUtilities::general_link</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"letterlink"</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"#G"</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"G"</span><span class="plain-syntax">); </span><span class="named-paragraph-container code-font"><a href="7-iu.html#SP5_1" class="named-paragraph-link"><span class="named-paragraph">Between</span><span class="named-paragraph-number">5.1</span></a></span><span class="plain-syntax">;</span>
<span class="plain-syntax">    </span><a href="7-iu.html#SP2" class="function-link"><span class="function-syntax">IndexUtilities::general_link</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"letterlink"</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"#H"</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"H"</span><span class="plain-syntax">); </span><span class="named-paragraph-container code-font"><a href="7-iu.html#SP5_1" class="named-paragraph-link"><span class="named-paragraph">Between</span><span class="named-paragraph-number">5.1</span></a></span><span class="plain-syntax">;</span>
<span class="plain-syntax">    </span><a href="7-iu.html#SP2" class="function-link"><span class="function-syntax">IndexUtilities::general_link</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"letterlink"</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"#I"</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"I"</span><span class="plain-syntax">); </span><span class="named-paragraph-container code-font"><a href="7-iu.html#SP5_1" class="named-paragraph-link"><span class="named-paragraph">Between</span><span class="named-paragraph-number">5.1</span></a></span><span class="plain-syntax">;</span>
<span class="plain-syntax">    </span><a href="7-iu.html#SP2" class="function-link"><span class="function-syntax">IndexUtilities::general_link</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"letterlink"</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"#J"</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"J"</span><span class="plain-syntax">); </span><span class="named-paragraph-container code-font"><a href="7-iu.html#SP5_1" class="named-paragraph-link"><span class="named-paragraph">Between</span><span class="named-paragraph-number">5.1</span></a></span><span class="plain-syntax">;</span>
<span class="plain-syntax">    </span><a href="7-iu.html#SP2" class="function-link"><span class="function-syntax">IndexUtilities::general_link</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"letterlink"</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"#K"</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"K"</span><span class="plain-syntax">); </span><span class="named-paragraph-container code-font"><a href="7-iu.html#SP5_1" class="named-paragraph-link"><span class="named-paragraph">Between</span><span class="named-paragraph-number">5.1</span></a></span><span class="plain-syntax">;</span>
<span class="plain-syntax">    </span><a href="7-iu.html#SP2" class="function-link"><span class="function-syntax">IndexUtilities::general_link</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"letterlink"</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"#L"</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"L"</span><span class="plain-syntax">); </span><span class="named-paragraph-container code-font"><a href="7-iu.html#SP5_1" class="named-paragraph-link"><span class="named-paragraph">Between</span><span class="named-paragraph-number">5.1</span></a></span><span class="plain-syntax">;</span>
<span class="plain-syntax">    </span><a href="7-iu.html#SP2" class="function-link"><span class="function-syntax">IndexUtilities::general_link</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"letterlink"</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"#M"</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"M"</span><span class="plain-syntax">); </span><span class="named-paragraph-container code-font"><a href="7-iu.html#SP5_1" class="named-paragraph-link"><span class="named-paragraph">Between</span><span class="named-paragraph-number">5.1</span></a></span><span class="plain-syntax">;</span>
<span class="plain-syntax">    </span><a href="7-iu.html#SP2" class="function-link"><span class="function-syntax">IndexUtilities::general_link</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"letterlink"</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"#N"</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"N"</span><span class="plain-syntax">); </span><span class="named-paragraph-container code-font"><a href="7-iu.html#SP5_1" class="named-paragraph-link"><span class="named-paragraph">Between</span><span class="named-paragraph-number">5.1</span></a></span><span class="plain-syntax">;</span>
<span class="plain-syntax">    </span><a href="7-iu.html#SP2" class="function-link"><span class="function-syntax">IndexUtilities::general_link</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"letterlink"</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"#O"</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"O"</span><span class="plain-syntax">); </span><span class="named-paragraph-container code-font"><a href="7-iu.html#SP5_1" class="named-paragraph-link"><span class="named-paragraph">Between</span><span class="named-paragraph-number">5.1</span></a></span><span class="plain-syntax">;</span>
<span class="plain-syntax">    </span><a href="7-iu.html#SP2" class="function-link"><span class="function-syntax">IndexUtilities::general_link</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"letterlink"</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"#P"</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"P"</span><span class="plain-syntax">); </span><span class="named-paragraph-container code-font"><a href="7-iu.html#SP5_1" class="named-paragraph-link"><span class="named-paragraph">Between</span><span class="named-paragraph-number">5.1</span></a></span><span class="plain-syntax">;</span>
<span class="plain-syntax">    </span><a href="7-iu.html#SP2" class="function-link"><span class="function-syntax">IndexUtilities::general_link</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"letterlink"</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"#Q"</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"Q"</span><span class="plain-syntax">); </span><span class="named-paragraph-container code-font"><a href="7-iu.html#SP5_1" class="named-paragraph-link"><span class="named-paragraph">Between</span><span class="named-paragraph-number">5.1</span></a></span><span class="plain-syntax">;</span>
<span class="plain-syntax">    </span><a href="7-iu.html#SP2" class="function-link"><span class="function-syntax">IndexUtilities::general_link</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"letterlink"</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"#R"</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"R"</span><span class="plain-syntax">); </span><span class="named-paragraph-container code-font"><a href="7-iu.html#SP5_1" class="named-paragraph-link"><span class="named-paragraph">Between</span><span class="named-paragraph-number">5.1</span></a></span><span class="plain-syntax">;</span>
<span class="plain-syntax">    </span><a href="7-iu.html#SP2" class="function-link"><span class="function-syntax">IndexUtilities::general_link</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"letterlink"</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"#S"</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"S"</span><span class="plain-syntax">); </span><span class="named-paragraph-container code-font"><a href="7-iu.html#SP5_1" class="named-paragraph-link"><span class="named-paragraph">Between</span><span class="named-paragraph-number">5.1</span></a></span><span class="plain-syntax">;</span>
<span class="plain-syntax">    </span><a href="7-iu.html#SP2" class="function-link"><span class="function-syntax">IndexUtilities::general_link</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"letterlink"</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"#T"</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"T"</span><span class="plain-syntax">); </span><span class="named-paragraph-container code-font"><a href="7-iu.html#SP5_1" class="named-paragraph-link"><span class="named-paragraph">Between</span><span class="named-paragraph-number">5.1</span></a></span><span class="plain-syntax">;</span>
<span class="plain-syntax">    </span><a href="7-iu.html#SP2" class="function-link"><span class="function-syntax">IndexUtilities::general_link</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"letterlink"</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"#U"</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"U"</span><span class="plain-syntax">); </span><span class="named-paragraph-container code-font"><a href="7-iu.html#SP5_1" class="named-paragraph-link"><span class="named-paragraph">Between</span><span class="named-paragraph-number">5.1</span></a></span><span class="plain-syntax">;</span>
<span class="plain-syntax">    </span><a href="7-iu.html#SP2" class="function-link"><span class="function-syntax">IndexUtilities::general_link</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"letterlink"</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"#V"</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"V"</span><span class="plain-syntax">); </span><span class="named-paragraph-container code-font"><a href="7-iu.html#SP5_1" class="named-paragraph-link"><span class="named-paragraph">Between</span><span class="named-paragraph-number">5.1</span></a></span><span class="plain-syntax">;</span>
<span class="plain-syntax">    </span><a href="7-iu.html#SP2" class="function-link"><span class="function-syntax">IndexUtilities::general_link</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"letterlink"</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"#W"</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"W"</span><span class="plain-syntax">); </span><span class="named-paragraph-container code-font"><a href="7-iu.html#SP5_1" class="named-paragraph-link"><span class="named-paragraph">Between</span><span class="named-paragraph-number">5.1</span></a></span><span class="plain-syntax">;</span>
<span class="plain-syntax">    </span><a href="7-iu.html#SP2" class="function-link"><span class="function-syntax">IndexUtilities::general_link</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"letterlink"</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"#X"</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"X"</span><span class="plain-syntax">); </span><span class="named-paragraph-container code-font"><a href="7-iu.html#SP5_1" class="named-paragraph-link"><span class="named-paragraph">Between</span><span class="named-paragraph-number">5.1</span></a></span><span class="plain-syntax">;</span>
<span class="plain-syntax">    </span><a href="7-iu.html#SP2" class="function-link"><span class="function-syntax">IndexUtilities::general_link</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"letterlink"</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"#Y"</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"Y"</span><span class="plain-syntax">); </span><span class="named-paragraph-container code-font"><a href="7-iu.html#SP5_1" class="named-paragraph-link"><span class="named-paragraph">Between</span><span class="named-paragraph-number">5.1</span></a></span><span class="plain-syntax">;</span>
<span class="plain-syntax">    </span><a href="7-iu.html#SP2" class="function-link"><span class="function-syntax">IndexUtilities::general_link</span></a><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"letterlink"</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"#Z"</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"Z"</span><span class="plain-syntax">);</span>
<span class="plain-syntax">    </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">indoc_settings_navigation_simplified_letter_rows</span><span class="plain-syntax">) {</span>
<span class="plain-syntax">        </span><span class="identifier-syntax">HTML_CLOSE</span><span class="plain-syntax">(</span><span class="string-syntax">"p"</span><span class="plain-syntax">);</span>
<span class="plain-syntax">    } </span><span class="reserved-syntax">else</span><span class="plain-syntax"> {</span>
<span class="plain-syntax">        </span><span class="identifier-syntax">HTML_CLOSE</span><span class="plain-syntax">(</span><span class="string-syntax">"td"</span><span class="plain-syntax">);</span>
<span class="plain-syntax">        </span><span class="identifier-syntax">HTML_CLOSE</span><span class="plain-syntax">(</span><span class="string-syntax">"tr"</span><span class="plain-syntax">);</span>
<span class="plain-syntax">        </span><span class="identifier-syntax">HTML_CLOSE</span><span class="plain-syntax">(</span><span class="string-syntax">"table"</span><span class="plain-syntax">);</span>
<span class="plain-syntax">    }</span>
<span class="plain-syntax">}</span>
</pre>
<p class="commentary firstcommentary"><a id="SP5_1" class="paragraph-anchor"></a><b>&#167;5.1.  </b><span class="named-paragraph-container code-font"><span class="named-paragraph-defn">Between</span><span class="named-paragraph-number">5.1</span></span><span class="comment-syntax"> =</span>
</p>

<pre class="displayed-code all-displayed-code code-font">
<span class="plain-syntax">    </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">indoc_settings_navigation_simplified_letter_rows</span><span class="plain-syntax">) </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">" / "</span><span class="plain-syntax">);</span>
<span class="plain-syntax">    </span><span class="reserved-syntax">else</span><span class="plain-syntax"> {</span>
<span class="plain-syntax">        </span><span class="identifier-syntax">HTML_CLOSE</span><span class="plain-syntax">(</span><span class="string-syntax">"td"</span><span class="plain-syntax">);</span>
<span class="plain-syntax">        </span><span class="identifier-syntax">HTML_OPEN_WITH</span><span class="plain-syntax">(</span><span class="string-syntax">"td"</span><span class="plain-syntax">, </span><span class="string-syntax">"class=\"letterinrow\""</span><span class="plain-syntax">);</span>
<span class="plain-syntax">    }</span>
</pre>
<ul class="endnotetexts"><li>This code is used in <a href="7-iu.html#SP5">&#167;5</a> (25 times).</li></ul>
<p class="commentary firstcommentary"><a id="SP6" class="paragraph-anchor"></a><b>&#167;6.  </b>This is mainly used for the typographically dramatic link letters A, B, C, ...
but can also make fatter typographically dramatic headings, if it's stretched
in width and a longer text is supplied.
</p>

<pre class="displayed-code all-displayed-code code-font">
<span class="reserved-syntax">void</span><span class="plain-syntax"> </span><span class="function-syntax">IndexUtilities::majuscule_heading</span><button class="popup" onclick="togglePopup('usagePopup7')"><span class="comment-syntax">?</span><span class="popuptext" id="usagePopup7">Usage of <span class="code-font"><span class="function-syntax">IndexUtilities::majuscule_heading</span></span>:<br/>Contents and Indexes - <a href="7-gi.html#SP8_2_1">&#167;8.2.1</a><br/>Examples Index - <a href="7-ei.html#SP3_3">&#167;3.3</a></span></button><span class="plain-syntax">(</span><span class="identifier-syntax">OUTPUT_STREAM</span><span class="plain-syntax">, </span><span class="identifier-syntax">text_stream</span><span class="plain-syntax"> *</span><span class="identifier-syntax">display_text</span><span class="plain-syntax">, </span><span class="reserved-syntax">int</span><span class="plain-syntax"> </span><span class="identifier-syntax">single_letter</span><span class="plain-syntax">) {</span>
<span class="plain-syntax">    </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">indoc_settings_navigation_simplified_letter_rows</span><span class="plain-syntax">) {</span>
<span class="plain-syntax">        </span><span class="reserved-syntax">if</span><span class="plain-syntax"> (</span><span class="identifier-syntax">single_letter</span><span class="plain-syntax"> == </span><span class="constant-syntax">1</span><span class="plain-syntax">) {</span>
<span class="plain-syntax">            </span><span class="identifier-syntax">HTML::begin_div_with_class_S</span><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"majuscule"</span><span class="plain-syntax">, </span><span class="identifier-syntax">__FILE__</span><span class="plain-syntax">, </span><span class="identifier-syntax">__LINE__</span><span class="plain-syntax">);</span>
<span class="plain-syntax">        } </span><span class="reserved-syntax">else</span><span class="plain-syntax"> {</span>
<span class="plain-syntax">            </span><span class="identifier-syntax">HTML::begin_div_with_class_S</span><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">, </span><span class="identifier-syntax">I</span><span class="string-syntax">"stretchymajuscule"</span><span class="plain-syntax">, </span><span class="identifier-syntax">__FILE__</span><span class="plain-syntax">, </span><span class="identifier-syntax">__LINE__</span><span class="plain-syntax">);</span>
<span class="plain-syntax">        }</span>
<span class="plain-syntax">        </span><span class="identifier-syntax">HTML_OPEN_WITH</span><span class="plain-syntax">(</span><span class="string-syntax">"span"</span><span class="plain-syntax">, </span><span class="string-syntax">"class=\"majusculelettering\""</span><span class="plain-syntax">);</span>
<span class="plain-syntax">        </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"%S"</span><span class="plain-syntax">, </span><span class="identifier-syntax">display_text</span><span class="plain-syntax">);</span>
<span class="plain-syntax">        </span><span class="identifier-syntax">HTML_CLOSE</span><span class="plain-syntax">(</span><span class="string-syntax">"span"</span><span class="plain-syntax">);</span>
<span class="plain-syntax">        </span><span class="identifier-syntax">HTML::end_div</span><span class="plain-syntax">(</span><span class="identifier-syntax">OUT</span><span class="plain-syntax">);</span>
<span class="plain-syntax">    } </span><span class="reserved-syntax">else</span><span class="plain-syntax"> {</span>
<span class="plain-syntax">        </span><span class="identifier-syntax">WRITE</span><span class="plain-syntax">(</span><span class="string-syntax">"&lt;b&gt;%S&lt;/b&gt;"</span><span class="plain-syntax">, </span><span class="identifier-syntax">display_text</span><span class="plain-syntax">);</span>
<span class="plain-syntax">    }</span>
<span class="plain-syntax">}</span>
</pre>
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